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# GDBEvent class definitions for Insight.
# Copyright (C) 2001 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License (GPL) as published by
# the Free Software Foundation; either version 2 of the License, or (at
# your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# For reasons unknown to me, I cannot put any of the constructors
# in the implementation files. The very first instance of the class
# will call the (empty) constructor in here instead of the one
# defined in the implementation file. Sigh.
itcl::class GDBEvent {
public method get {what} { return "" }
public method handler {} { return "unknown" }
}
# BREAKPOINT EVENT
#
# This event is created/dispatched whenever a breakpoint is created,
# deleted, or modified.
#
# action ....... what type of BP event ("create", "delete", "modify")
# number ....... gdb's internal token for the BP
# file ......... filename in which event occurred
# function ..... function in which event occurred
# line ......... line number in file
# address ...... address of BP
# type ......... breakpoint type ("breakpoint", "hw breakpoint", "step resume", etc)
# enabled ...... BP enabled?
# disposition .. BP's disposition ("delete", "delstop", "disable", "donttouch")
# ignore_count . BP's ignore count
# commands ..... list of commands to run when BP hit
# condition .... BP condition
# thread ....... thread in which BP is set (or -1 for all threads)
# hit_count .... number of times BP has been hit
# user_specification
# .. text the user initially used to set this breakpoint
itcl::class BreakpointEvent {
inherit GDBEvent
public variable action {}
public variable number {}
#constructor {args} {}
constructor {args} {
eval configure $args
# If creating/modifying a breakpoint, then get
# all info about it and save it away.
_init
}
#destructor { dbug I "" }
public method get {what}
public method handler {} { return "breakpoint" }
private variable _file {}
private variable _function {}
private variable _line {}
private variable _address {}
private variable _type {}
private variable _enabled {}
private variable _disposition {}
private variable _ignore_count {}
private variable _commands {}
private variable _condition {}
private variable _thread {}
private variable _hit_count {}
private variable _user_specification {}
private method _init {}
}
# TRACEPOINT EVENT
#
# This event is created/dispatched whenever a tracepoint is created,
# deleted, or modified.
#
# action ....... what type of BP event ("create", "delete", "modify")
# number ....... gdb's internal token for the BP
# file ......... filename in which event occurred
# function ..... function in which event occurred
# line ......... line number in file
# address ...... address of BP
# enabled ...... BP enabled?
# pass_count ...
# step_count ...
# thread ....... thread in which BP is set (or -1 for all threads)
# hit_count .... number of times BP has been hit
# actions ...... a list of actions to be performed when the tracepoint is hit
itcl::class TracepointEvent {
inherit GDBEvent
public variable action {}
public variable number {}
# For reasons unknown to me, I cannot put this in the implementation
# file. The very first instance of the class will call this empty
# constructor instead of the one defined in the implementation file.
#constructor {args} {}
constructor {args} {
eval configure $args
# If creating/modifying a tracepoint, then get
# all info about it and save it away.
_init
}
#destructor { dbug I "" }
public method get {what}
public method handler {} { return "tracepoint" }
private variable _file {}
private variable _function {}
private variable _line {}
private variable _address {}
private variable _enabled {}
private variable _pass_count {}
private variable _step_count {}
private variable _thread {}
private variable _hit_count {}
private variable _actions {}
private method _init {}
}
# SET VARIABLE EVENT
#
# This event is created/dispatched whenever a "set" command successfully
# completes in gdb's command interpreter.
#
# variable ..... the variable that was changed
# value ........ the variable's new value
itcl::class SetVariableEvent {
inherit GDBEvent
public variable variable
public variable value
constructor {args} {
eval configure $args
}
#destructor { dbug I "" }
public method get {what}
public method handler {} { return "set_variable" }
}
# BUSY EVENT
#
# This event is created/dispatched whenever the GUI or GDB is "busy".
# This could happen when the inferior is executing or when the GUI
# is, for example, fetching memory from the target.
itcl::class BusyEvent {
inherit GDBEvent
public method handler {} { return "busy" }
}
# IDLE EVENT
#
# This event is created/dispatched whenever the GUI and GDB is not
# "busy". Receipt of this event means that the GUI should be put into
# a state to accept input by the user.
itcl::class IdleEvent {
inherit GDBEvent
public method handler {} { return "idle" }
}
# UPDATE EVENT
#
# This event is created/dispatched whenever the target's state
# has changed. When an UpdateEvent is received, widgets should
# update their contents to reflect the inferior's new state.
#
# Right now, this just holds the output of gdb_loc...
#
# compile_filename - Filename stored in the symtab
# full_filename - Full filename of file, if found in source search dir
# function - Function name
# line - Line number
# frame_pc - Frame's PC
# pc - Real stop PC
# shlib - Shared library stopped in
#
# FIXME: Should probably put frame_pc and pc into different
# types of update events...
itcl::class UpdateEvent {
inherit GDBEvent
constructor {args} {}
public method get {what}
public method handler {} { return "update" }
private variable _compile_filename {}
private variable _function {}
private variable _full_filename {}
private variable _line {}
private variable _frame_pc {}
private variable _pc {}
private variable _shlib {}
}
# ARCHITECTURE CHANGED EVENT
#
# This event is posted whenever the target architecture changes
itcl::class ArchChangedEvent {
inherit GDBEvent
public method handler {} { return "arch_changed" }
}